Williamsport, MD Area Codes
Williamsport is served by area codes 240 and 301. It is in Maryland, Washington County. About 10,144 people live in its 1 ZIP codes.
| Field | Value |
|---|---|
| Area code(s) | 240, 301 |
| State / province | Maryland |
| County | Washington County |
| Population | 10,144 |
| ZIP codes | 1 |
| Time zone | Eastern |
| Coordinates | 39.5806, -77.8237 |
What area code is Williamsport in?
ZIP codes in the code footprint
Nearby towns and their area codes
Hagerstown 227, 240, 301Boonsboro 227, 240, 301Smithsburg 227, 240, 301Middletown 227, 240, 301Thurmont 227, 240, 301Frederick 227, 240, 301Walkersville 240, 301New Market 240, 301
How to dial
Dial 240 + 7 digits for a number in Williamsport, or +1 240 ... from abroad. Ten-digit dialling is required everywhere in the North American Numbering Plan.